3m Gemini Mbt Metal Brackets Zhengzhou Smile Dental Equipment Co., Ltd. Base Info Model NO.:119-142Material:MetalApplicable Departments:Dental DepartmentNature:Specialized Instrument EquipmentSystem:MbtSize:0.022Trademark:3MTransport Package:BoxOrigin:USA Description Pre:Or601 Bracket Positioning Gauge Crossed (boone) Next:3m Unitek Victory Series Low Profile Mbt Metal Brackets